2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 26,906 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 26,906 miles on the clock. Priced at £21,099, it is advertised £309 above the AskCar estimate of £20,790. The AskCar estimate draws on 6,763 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Sheffield, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £309 (1%) over the AskCar estimate of £20,790.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,763 priced Audi A3 adverts across different ages and specifications, as of 14 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 514 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,114 of the 2,238 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £21,099. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 14 November 2026: valid until 25 September 2027.

It has had one MOT, on 10 September 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside rear nail in tyre.

Mileage at that test: 26,538 miles, which matches the advertised 26,906 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

143 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £17,660 to £24,670, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 27,034 miles. Price: £20,850, £249 less than this car. Dealer: Group 1 Automotive Southend Audi in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cecc6de858d6
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 26,619 miles. Price: £20,849, £250 less than this car. Dealer: Motorpoint Oldbury in Oldbury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-918e1f4fcc98
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 27,233 miles. Price: £23,000, £1,901 more than this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6b8507b39372

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 24,017 miles. Price: £20,849, £250 less than this car. Dealer: Motorpoint Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ee8538ccd313